#HNNEducation: Scientist find a 400,000 year old bone. see what they did with it.

Amazing Science! Scientists have reached farther back than ever into the ancestry of humans to recover and analyze DNA, using a bone found in Spain that's estimated to be 400,000 years old. So far, the achievement has provided more questions than answers about our ancient forerunners. Here's what they've learned so far: http://cbc.sh/O9NdFlb